Parent Directory | Revision Log
New gps integration
1 | harbaum | 1 | /* |
2 | * Copyright (C) 2008 Till Harbaum <till@harbaum.org>. | ||
3 | * | ||
4 | * This file is part of GPXView. | ||
5 | * | ||
6 | * GPXView is free software: you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation, either version 3 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * GPXView is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with GPXView. If not, see <http://www.gnu.org/licenses/>. | ||
18 | */ | ||
19 | |||
20 | #include <stdio.h> | ||
21 | #include <string.h> | ||
22 | #include <math.h> | ||
23 | |||
24 | #include "gpxview.h" | ||
25 | |||
26 | #ifdef USE_MAEMO | ||
27 | #include "dbus.h" | ||
28 | #endif | ||
29 | |||
30 | #define COMPASS_SIZE 230 | ||
31 | #define LETTER_SPACE 0.2 | ||
32 | #define DIAMOND_WIDTH 0.05 | ||
33 | #define DIAMOND_HEIGHT 0.2 | ||
34 | #define ARROW_WIDTH 0.3 | ||
35 | #define ARROW_LENGTH 0.7 | ||
36 | #define UPDATE_MS 1000 /* gps updates are sent once a second */ | ||
37 | |||
38 | #define SAT_WIDTH 330 | ||
39 | #define SAT_HEIGHT 60 | ||
40 | |||
41 | harbaum | 246 | #ifdef ESPEAK |
42 | harbaum | 249 | #include <espeak/speak_lib.h> |
43 | harbaum | 246 | |
44 | harbaum | 249 | #define ESPEAK_TIMEOUT (15000) // every 15 seconds |
45 | |||
46 | char *espeak_make_string(float dist, gboolean imperial) { | ||
47 | char *retval = NULL; | ||
48 | |||
49 | if(!imperial) { | ||
50 | /* distance is in kilometers */ | ||
51 | if(dist < 2.0/1000.0) | ||
52 | retval = g_strdup(_("1 meter")); | ||
53 | else if(dist < 1.0) | ||
54 | retval = g_strdup_printf(_("%u meters"), (int)(dist*1000)); | ||
55 | else if(dist < 2.0) | ||
56 | retval = g_strdup(_("1 kilometer")); | ||
57 | else | ||
58 | retval = g_strdup_printf(_("%u kilometers"), (int)dist); | ||
59 | } else { | ||
60 | |||
61 | /* 1 mil = 1760 yd = 5280 ft ... */ | ||
62 | if(dist < (2.0/5280.0)) | ||
63 | retval = g_strdup(_("1 foot")); | ||
64 | else if(dist < (1.0/1760.0)) | ||
65 | retval = g_strdup_printf(_("%u feet"), (int)(dist*5280)); | ||
66 | else if(dist < (2.0/1760.0)) | ||
67 | retval = g_strdup(_("1 yard")); | ||
68 | else if(dist < 1.0) | ||
69 | retval = g_strdup_printf(_("%u yard"), (int)(dist*1760)); | ||
70 | else if(dist < 2.0) | ||
71 | retval = g_strdup(_("1 mile")); | ||
72 | else | ||
73 | retval = g_strdup_printf(_("%u miles"), (int)dist); | ||
74 | } | ||
75 | return retval; | ||
76 | } | ||
77 | |||
78 | static gboolean espeak_do(gpointer data) { | ||
79 | cache_context_t *context = (cache_context_t*)data; | ||
80 | |||
81 | pos_t *pos = gps_get_pos(context->appdata); | ||
82 | if(pos && !isnan(pos->lat) && !isnan(pos->lon) && | ||
83 | !isnan(context->gotoc.pos.lat) && !isnan(context->gotoc.pos.lon)) { | ||
84 | |||
85 | /* build distance */ | ||
86 | float dist = | ||
87 | gpx_pos_get_distance(*pos, context->gotoc.pos, | ||
88 | context->appdata->imperial); | ||
89 | |||
90 | char *talk = espeak_make_string(dist, context->appdata->imperial); | ||
91 | |||
92 | unsigned int unique_identifier=0; | ||
93 | espeak_Synth(talk, strlen(talk)+1, 0, 0, 0, espeakCHARS_AUTO, | ||
94 | &unique_identifier, NULL); | ||
95 | |||
96 | g_free(talk); | ||
97 | } | ||
98 | |||
99 | return TRUE; // speak again | ||
100 | } | ||
101 | |||
102 | static void espeak_enable(cache_context_t *context, gboolean enable) { | ||
103 | if(enable) { | ||
104 | g_assert(!context->gotoc.espeak_handler); | ||
105 | |||
106 | context->gotoc.espeak_handler = | ||
107 | gtk_timeout_add(ESPEAK_TIMEOUT, espeak_do, context); | ||
108 | |||
109 | espeak_do(context); | ||
110 | |||
111 | } else { | ||
112 | if(context->gotoc.espeak_handler) { | ||
113 | gtk_timeout_remove(context->gotoc.espeak_handler); | ||
114 | context->gotoc.espeak_handler = 0; | ||
115 | } | ||
116 | } | ||
117 | } | ||
118 | harbaum | 246 | #endif |
119 | |||
120 | harbaum | 1 | static float rad2deg(float rad) { |
121 | return fmodf(360.0 + (180.0/M_PI) * rad, 360.0); | ||
122 | } | ||
123 | |||
124 | static void compass_draw(GtkWidget *widget, cache_context_t *context) { | ||
125 | float f; | ||
126 | int i; | ||
127 | |||
128 | gint width = widget->allocation.width; | ||
129 | gint height = widget->allocation.height; | ||
130 | gint diameter = (height < width)?height:width; | ||
131 | |||
132 | gint xcenter = width/2; | ||
133 | gint ycenter = height/2; | ||
134 | gint radius = diameter/2; | ||
135 | |||
136 | /* erase background */ | ||
137 | gdk_draw_rectangle(context->gotoc.compass_pixmap, | ||
138 | widget->style->bg_gc[GTK_STATE_NORMAL], TRUE, | ||
139 | 0, 0, width, height); | ||
140 | |||
141 | /* use white rosetta background unless the real background */ | ||
142 | /* is very bright. Use bright grey then */ | ||
143 | |||
144 | if(widget->style->bg[GTK_STATE_NORMAL].red + | ||
145 | widget->style->bg[GTK_STATE_NORMAL].green + | ||
146 | widget->style->bg[GTK_STATE_NORMAL].blue < 3*60000) { | ||
147 | /* background is very bright, use white */ | ||
148 | gdk_draw_arc(context->gotoc.compass_pixmap, widget->style->white_gc, TRUE, | ||
149 | (width-diameter)/2, (height-diameter)/2, diameter, diameter, | ||
150 | 0, 360*64); | ||
151 | } else { | ||
152 | GdkGC *lgrey_gc = gdk_gc_new(context->gotoc.compass_pixmap); | ||
153 | gdk_gc_copy(lgrey_gc, widget->style->black_gc); | ||
154 | GdkColor lgrey_color; | ||
155 | gdk_color_parse("#DDDDDD", &lgrey_color); | ||
156 | gdk_gc_set_rgb_fg_color(lgrey_gc, &lgrey_color); | ||
157 | |||
158 | gdk_draw_arc(context->gotoc.compass_pixmap, lgrey_gc, TRUE, | ||
159 | (width-diameter)/2, (height-diameter)/2, diameter, diameter, | ||
160 | 0, 360*64); | ||
161 | } | ||
162 | |||
163 | /* draw the locked/unlocked icon */ | ||
164 | gdk_draw_pixbuf(context->gotoc.compass_pixmap, | ||
165 | widget->style->fg_gc[GTK_STATE_NORMAL], | ||
166 | harbaum | 231 | icon_get(ICON_MISC, context->appdata->compass_locked?0:1), |
167 | harbaum | 1 | 0, 0, (width-diameter)/2 + diameter/32, |
168 | (height+diameter)/2 - 16 - diameter/32 , 16, 16, | ||
169 | GDK_RGB_DITHER_NONE,0,0); | ||
170 | |||
171 | /* don't update heading if the compass is locked */ | ||
172 | if(!context->appdata->compass_locked) { | ||
173 | int i, valid = 0, cnt=0; | ||
174 | double x_sum = 0.0, y_sum = 0.0; | ||
175 | |||
176 | /* shift heading buffer up one entry and add new value at entry 0 */ | ||
177 | for(i=MAX_AVERAGE-1;i>0;i--) | ||
178 | context->gotoc.head_avg[i] = context->gotoc.head_avg[i-1]; | ||
179 | context->gotoc.head_avg[0] = gps_get_heading(context->appdata)*M_PI/180.0; | ||
180 | |||
181 | // printf("Damping = %d\n", context->appdata->compass_damping); | ||
182 | // printf("add heading %f\n", rad2deg(context->gotoc.head_avg[0])); | ||
183 | |||
184 | /* determine number of valid entries */ | ||
185 | for(i=0;i<MAX_AVERAGE && valid<context->appdata->compass_damping;i++) | ||
186 | if(!isnan(context->gotoc.head_avg[i])) | ||
187 | valid++; | ||
188 | |||
189 | /* map back to angle if at least one value has been added */ | ||
190 | if(valid) { | ||
191 | /* map all valid antries onto a circle */ | ||
192 | for(i=0;i<MAX_AVERAGE && cnt<context->appdata->compass_damping;i++) { | ||
193 | if(!isnan(context->gotoc.head_avg[i])) { | ||
194 | float weight = 1.0 - ((float)(cnt++)/(float)valid); | ||
195 | printf("weight = %f * %f\n", | ||
196 | weight, rad2deg(context->gotoc.head_avg[i])); | ||
197 | x_sum += weight * sin(context->gotoc.head_avg[i]); | ||
198 | y_sum += weight * cos(context->gotoc.head_avg[i]); | ||
199 | } | ||
200 | } | ||
201 | |||
202 | printf("%d valid heading entries\n", valid); | ||
203 | context->gotoc.heading = atan2(x_sum, y_sum); | ||
204 | printf("averaged heading: %f\n", | ||
205 | rad2deg(context->gotoc.heading)); | ||
206 | } else { | ||
207 | // printf("no valid heading, keeping old value heading\n"); | ||
208 | } | ||
209 | } | ||
210 | |||
211 | if(!isnan(context->gotoc.heading)) { | ||
212 | |||
213 | for(i=0,f=0;f<2*M_PI-M_PI/8;f+=M_PI/4,i++) { | ||
214 | float ang = f - context->gotoc.heading; | ||
215 | |||
216 | if(!(i&1)) { | ||
217 | /* draw diamonds */ | ||
218 | GdkPoint diamond[4]; | ||
219 | |||
220 | #define OUT (1.0-LETTER_SPACE) | ||
221 | |||
222 | diamond[0].x = xcenter + radius * OUT * sin(ang); | ||
223 | diamond[0].y = ycenter + radius * OUT * -cos(ang); | ||
224 | |||
225 | diamond[1].x = xcenter + radius * (OUT-DIAMOND_HEIGHT/2) * | ||
226 | sin(ang+DIAMOND_WIDTH); | ||
227 | diamond[1].y = ycenter + radius * (OUT-DIAMOND_HEIGHT/2)* | ||
228 | -cos(ang+DIAMOND_WIDTH); | ||
229 | |||
230 | diamond[2].x = xcenter + radius * (OUT-DIAMOND_HEIGHT) * sin(ang); | ||
231 | diamond[2].y = ycenter + radius * (OUT-DIAMOND_HEIGHT) * -cos(ang); | ||
232 | |||
233 | diamond[3].x = xcenter + radius * (OUT-DIAMOND_HEIGHT/2) * | ||
234 | sin(ang-DIAMOND_WIDTH); | ||
235 | diamond[3].y = ycenter + radius * (OUT-DIAMOND_HEIGHT/2) * | ||
236 | -cos(ang-DIAMOND_WIDTH); | ||
237 | |||
238 | gdk_draw_polygon(context->gotoc.compass_pixmap, | ||
239 | widget->style->black_gc, TRUE, | ||
240 | diamond, sizeof(diamond)/sizeof(GdkPoint)); | ||
241 | |||
242 | const char *str[] = { "N", "E", "S", "W" }; | ||
243 | PangoLayout *layout = gtk_widget_create_pango_layout(widget, _(str[i/2])); | ||
244 | int tw, th; | ||
245 | pango_layout_get_pixel_size(layout, &tw, &th); | ||
246 | |||
247 | gdk_draw_layout(context->gotoc.compass_pixmap, widget->style->black_gc, | ||
248 | xcenter + radius * (1.0-LETTER_SPACE/2)*sin(ang) - tw/2, | ||
249 | ycenter + radius * (1.0-LETTER_SPACE/2)*-cos(ang) - th/2, | ||
250 | layout); | ||
251 | |||
252 | g_object_unref(layout); | ||
253 | } else | ||
254 | gdk_draw_line(context->gotoc.compass_pixmap, widget->style->black_gc, | ||
255 | xcenter + radius * 0.9 * sin(ang), | ||
256 | ycenter + radius * 0.9 * -cos(ang), | ||
257 | xcenter + radius * 1.0 * sin(ang), | ||
258 | ycenter + radius * 1.0 * -cos(ang)); | ||
259 | } | ||
260 | |||
261 | /* draw arrow */ | ||
262 | |||
263 | /* setup required colors */ | ||
264 | GdkGC *arrow_gc = gdk_gc_new(context->gotoc.compass_pixmap); | ||
265 | gdk_gc_copy(arrow_gc, widget->style->black_gc); | ||
266 | GdkColor arrow_color; | ||
267 | gdk_color_parse("#800000", &arrow_color); | ||
268 | gdk_gc_set_rgb_fg_color(arrow_gc, &arrow_color); | ||
269 | |||
270 | GdkPoint arrow[4]; | ||
271 | |||
272 | pos_t *pos = gps_get_pos(context->appdata); | ||
273 | harbaum | 47 | if(pos && !isnan(pos->lat) && !isnan(pos->lon)) { |
274 | harbaum | 282 | context->appdata->gps.saved = *pos; /* save position */ |
275 | harbaum | 1 | |
276 | float arot = | ||
277 | gpx_pos_get_bearing(*pos, context->gotoc.pos) * | ||
278 | M_PI/180 - context->gotoc.heading; | ||
279 | |||
280 | arrow[0].x = xcenter + radius * ARROW_LENGTH * sin(arot); | ||
281 | arrow[0].y = ycenter + radius * ARROW_LENGTH * -cos(arot); | ||
282 | |||
283 | arrow[1].x = xcenter + radius * -ARROW_LENGTH * sin(arot+ARROW_WIDTH); | ||
284 | arrow[1].y = ycenter + radius * -ARROW_LENGTH * -cos(arot+ARROW_WIDTH); | ||
285 | |||
286 | arrow[2].x = xcenter + radius * -0.5 * ARROW_LENGTH * sin(arot); | ||
287 | arrow[2].y = ycenter + radius * -0.5 * ARROW_LENGTH * -cos(arot); | ||
288 | |||
289 | arrow[3].x = xcenter + radius * -ARROW_LENGTH * sin(arot-ARROW_WIDTH); | ||
290 | arrow[3].y = ycenter + radius * -ARROW_LENGTH * -cos(arot-ARROW_WIDTH); | ||
291 | |||
292 | gdk_draw_polygon(context->gotoc.compass_pixmap, arrow_gc, TRUE, | ||
293 | arrow, sizeof(arrow)/sizeof(GdkPoint)); | ||
294 | } else { | ||
295 | PangoLayout *layout; | ||
296 | |||
297 | if(context->appdata->use_gps) | ||
298 | layout = gtk_widget_create_pango_layout(widget, _("No fix")); | ||
299 | else | ||
300 | layout = gtk_widget_create_pango_layout(widget, _("GPS disabled")); | ||
301 | |||
302 | int tw, th; | ||
303 | pango_layout_get_pixel_size(layout, &tw, &th); | ||
304 | |||
305 | gdk_draw_layout(context->gotoc.compass_pixmap, widget->style->black_gc, | ||
306 | xcenter - tw/2, ycenter - th/2, layout); | ||
307 | |||
308 | g_object_unref(layout); | ||
309 | } | ||
310 | } | ||
311 | } | ||
312 | |||
313 | /* Create a new backing pixmap of the appropriate size */ | ||
314 | static gint compass_configure_event(GtkWidget *widget, | ||
315 | GdkEventConfigure *event, gpointer data) { | ||
316 | cache_context_t *context = (cache_context_t*)data; | ||
317 | |||
318 | if(context->gotoc.compass_pixmap) | ||
319 | gdk_pixmap_unref(context->gotoc.compass_pixmap); | ||
320 | |||
321 | context->gotoc.compass_pixmap = gdk_pixmap_new(widget->window, | ||
322 | widget->allocation.width, | ||
323 | widget->allocation.height, | ||
324 | -1); | ||
325 | compass_draw(widget, context); | ||
326 | // goto_update(context); | ||
327 | |||
328 | return TRUE; | ||
329 | } | ||
330 | |||
331 | /* Redraw the screen from the backing pixmap */ | ||
332 | static gint compass_expose_event(GtkWidget *widget, GdkEventExpose *event, | ||
333 | gpointer data) { | ||
334 | cache_context_t *context = (cache_context_t*)data; | ||
335 | |||
336 | gdk_draw_pixmap(widget->window, | ||
337 | widget->style->fg_gc[GTK_WIDGET_STATE(widget)], | ||
338 | context->gotoc.compass_pixmap, | ||
339 | event->area.x, event->area.y, | ||
340 | event->area.x, event->area.y, | ||
341 | event->area.width, event->area.height); | ||
342 | |||
343 | return FALSE; | ||
344 | } | ||
345 | |||
346 | static void sat_draw(GtkWidget *widget, cache_context_t *context) { | ||
347 | gint width = widget->allocation.width; | ||
348 | gint height = widget->allocation.height; | ||
349 | |||
350 | /* erase background */ | ||
351 | gdk_draw_rectangle(context->gotoc.sat_pixmap, | ||
352 | widget->style->bg_gc[GTK_STATE_NORMAL], TRUE, | ||
353 | 0, 0, width, height); | ||
354 | |||
355 | gps_sat_t *sat = gps_get_sats(context->appdata); | ||
356 | harbaum | 282 | gint sat_num = gps_get_satnum(context->appdata); |
357 | |||
358 | if(sat && sat_num) { | ||
359 | harbaum | 1 | /* setup required colors */ |
360 | GdkGC *used_gc = gdk_gc_new(context->gotoc.sat_pixmap); | ||
361 | gdk_gc_copy(used_gc, widget->style->black_gc); | ||
362 | GdkColor used_color; | ||
363 | gdk_color_parse("#008000", &used_color); // green | ||
364 | gdk_gc_set_rgb_fg_color(used_gc, &used_color); | ||
365 | |||
366 | #define SAT_SPACING 3 | ||
367 | int i, x; | ||
368 | harbaum | 282 | int swid = (width-SAT_SPACING*(sat_num-1))/sat_num; |
369 | harbaum | 1 | |
370 | /* as of xgps, a ss of 40 and more is "plenty" */ | ||
371 | int max_ss = 40; | ||
372 | harbaum | 282 | for(i=0;i<sat_num;i++) |
373 | if(sat[i].ss > max_ss) sat[i].ss = max_ss; | ||
374 | harbaum | 1 | |
375 | if(swid > 40) { | ||
376 | swid = 40; | ||
377 | harbaum | 282 | x = (width-sat_num*swid)/2; |
378 | harbaum | 1 | } else |
379 | x = 0; | ||
380 | |||
381 | harbaum | 282 | for(i=0;i<sat_num;i++) { |
382 | harbaum | 1 | char str[32]; |
383 | #ifdef USE_MAEMO | ||
384 | harbaum | 282 | snprintf(str, sizeof(str), "<span size=\"small\">%d</span>", sat[i].prn); |
385 | harbaum | 1 | PangoLayout *layout = gtk_widget_create_pango_layout(widget, NULL); |
386 | pango_layout_set_markup(layout, str, strlen(str)); | ||
387 | #else | ||
388 | harbaum | 282 | snprintf(str, sizeof(str), "%d", sat[i].prn); |
389 | harbaum | 1 | PangoLayout *layout = gtk_widget_create_pango_layout(widget, str); |
390 | #endif | ||
391 | |||
392 | int tw, th; | ||
393 | pango_layout_get_pixel_size(layout, &tw, &th); | ||
394 | harbaum | 47 | gdk_draw_layout(context->gotoc.sat_pixmap, |
395 | widget->style->text_gc[GTK_STATE_NORMAL], | ||
396 | harbaum | 1 | x + swid/2 - tw/2, height - th, layout); |
397 | |||
398 | g_object_unref(layout); | ||
399 | |||
400 | harbaum | 282 | int h = (height-th) * sat[i].ss / max_ss; |
401 | harbaum | 1 | |
402 | gdk_draw_rectangle(context->gotoc.sat_pixmap, | ||
403 | harbaum | 282 | sat[i].used?used_gc:widget->style->fg_gc[GTK_STATE_NORMAL], |
404 | harbaum | 47 | TRUE, x, height-h-th, swid, h); |
405 | harbaum | 1 | |
406 | x += SAT_SPACING+swid; | ||
407 | } | ||
408 | |||
409 | } else { | ||
410 | harbaum | 47 | PangoLayout *layout = |
411 | gtk_widget_create_pango_layout(widget, _("No SAT info")); | ||
412 | harbaum | 1 | int tw, th; |
413 | pango_layout_get_pixel_size(layout, &tw, &th); | ||
414 | harbaum | 47 | gdk_draw_layout(context->gotoc.sat_pixmap, |
415 | widget->style->text_gc[GTK_STATE_NORMAL], | ||
416 | harbaum | 1 | (width - tw)/2, (height - th)/2, layout); |
417 | |||
418 | g_object_unref(layout); | ||
419 | } | ||
420 | } | ||
421 | |||
422 | /* Create a new backing pixmap of the appropriate size */ | ||
423 | static gint sat_configure_event(GtkWidget *widget, GdkEventConfigure *event, | ||
424 | gpointer data) { | ||
425 | cache_context_t *context = (cache_context_t*)data; | ||
426 | |||
427 | if(context->gotoc.sat_pixmap) | ||
428 | gdk_pixmap_unref(context->gotoc.sat_pixmap); | ||
429 | |||
430 | context->gotoc.sat_pixmap = gdk_pixmap_new(widget->window, | ||
431 | widget->allocation.width, | ||
432 | widget->allocation.height, | ||
433 | -1); | ||
434 | sat_draw(widget, context); | ||
435 | |||
436 | return TRUE; | ||
437 | } | ||
438 | |||
439 | /* Redraw the screen from the backing pixmap */ | ||
440 | static gint sat_expose_event(GtkWidget *widget, GdkEventExpose *event, | ||
441 | gpointer data) { | ||
442 | cache_context_t *context = (cache_context_t*)data; | ||
443 | |||
444 | gdk_draw_pixmap(widget->window, | ||
445 | widget->style->fg_gc[GTK_WIDGET_STATE(widget)], | ||
446 | context->gotoc.sat_pixmap, | ||
447 | event->area.x, event->area.y, | ||
448 | event->area.x, event->area.y, | ||
449 | event->area.width, event->area.height); | ||
450 | |||
451 | return FALSE; | ||
452 | } | ||
453 | |||
454 | gint goto_destroy_event(GtkWidget *widget, gpointer data ) { | ||
455 | cache_context_t *context = (cache_context_t*)data; | ||
456 | |||
457 | printf("destroying goto view\n"); | ||
458 | |||
459 | harbaum | 249 | #ifdef ESPEAK |
460 | espeak_enable(context, FALSE); | ||
461 | #endif | ||
462 | |||
463 | harbaum | 1 | /* stop timer */ |
464 | if(context->gotoc.handler_id) | ||
465 | gtk_timeout_remove(context->gotoc.handler_id); | ||
466 | |||
467 | return FALSE; | ||
468 | } | ||
469 | |||
470 | static gboolean goto_update(gpointer data) { | ||
471 | cache_context_t *context = (cache_context_t*)data; | ||
472 | |||
473 | if(context->gotoc.sat_pixmap) { | ||
474 | static int sub = 0; | ||
475 | |||
476 | if(!sub) { | ||
477 | /* draw sat view */ | ||
478 | sat_draw(context->gotoc.sat_area, context); | ||
479 | gtk_widget_queue_draw_area(context->gotoc.sat_area, 0,0, | ||
480 | context->gotoc.sat_area->allocation.width, | ||
481 | context->gotoc.sat_area->allocation.height); | ||
482 | } | ||
483 | |||
484 | if(sub++ == 5) sub = 0; | ||
485 | } | ||
486 | |||
487 | if(context->gotoc.compass_pixmap) { | ||
488 | /* draw compass */ | ||
489 | compass_draw(context->gotoc.compass_area, context); | ||
490 | gtk_widget_queue_draw_area(context->gotoc.compass_area, 0,0, | ||
491 | context->gotoc.compass_area->allocation.width, | ||
492 | context->gotoc.compass_area->allocation.height); | ||
493 | } | ||
494 | |||
495 | pos_t *pos = gps_get_pos(context->appdata); | ||
496 | harbaum | 47 | if(pos && !isnan(pos->lat) && !isnan(pos->lon) && |
497 | !isnan(context->gotoc.pos.lat) && !isnan(context->gotoc.pos.lon)) { | ||
498 | harbaum | 1 | char str[16]; |
499 | gpx_pos_get_distance_str(str, sizeof(str), | ||
500 | *pos, context->gotoc.pos, | ||
501 | context->appdata->imperial); | ||
502 | gtk_label_set_text(GTK_LABEL(context->gotoc.distance_label), str); | ||
503 | |||
504 | snprintf(str, sizeof(str), _("%.1f°"), | ||
505 | gpx_pos_get_bearing(*pos, context->gotoc.pos)); | ||
506 | gtk_label_set_text(GTK_LABEL(context->gotoc.bearing_label), str); | ||
507 | } else { | ||
508 | gtk_label_set_text(GTK_LABEL(context->gotoc.distance_label), "-----"); | ||
509 | gtk_label_set_text(GTK_LABEL(context->gotoc.bearing_label), "-----"); | ||
510 | } | ||
511 | |||
512 | harbaum | 53 | float eph = gps_get_eph(context->appdata); |
513 | if(isnan(eph)) | ||
514 | gtk_label_set_text(GTK_LABEL(context->gotoc.eph_label), "-----"); | ||
515 | harbaum | 1 | else { |
516 | char str[16]; | ||
517 | harbaum | 53 | /* distance needs to be given in km */ |
518 | if(context->appdata->imperial) | ||
519 | eph /= (6371.0/3959.0); // km to miles | ||
520 | |||
521 | distance_str(str, sizeof(str), eph/1000.0, context->appdata->imperial); | ||
522 | gtk_label_set_text(GTK_LABEL(context->gotoc.eph_label), str); | ||
523 | harbaum | 1 | } |
524 | |||
525 | return TRUE; // fire again | ||
526 | } | ||
527 | |||
528 | static gboolean compass_clicked_event(GtkWidget *widget, GdkEventButton *event, | ||
529 | gpointer user_data) { | ||
530 | cache_context_t *context = (cache_context_t*)user_data; | ||
531 | |||
532 | context->appdata->compass_locked = !context->appdata->compass_locked; | ||
533 | |||
534 | printf("compass is now %slocked\n", | ||
535 | context->appdata->compass_locked?"":"un"); | ||
536 | |||
537 | if(context->gotoc.compass_pixmap) { | ||
538 | /* draw compass */ | ||
539 | compass_draw(context->gotoc.compass_area, context); | ||
540 | gtk_widget_queue_draw_area(context->gotoc.compass_area, 0,0, | ||
541 | context->gotoc.compass_area->allocation.width, | ||
542 | context->gotoc.compass_area->allocation.height); | ||
543 | } | ||
544 | return FALSE; | ||
545 | } | ||
546 | |||
547 | harbaum | 214 | static void pos_modified(GtkWidget *widget, gpointer data ) { |
548 | cache_context_t *context = (cache_context_t*)data; | ||
549 | |||
550 | /* extract position from entries */ | ||
551 | harbaum | 221 | context->gotoc.pos.lat = lat_entry_get(context->gotoc.lat_entry); |
552 | context->gotoc.pos.lon = lon_entry_get(context->gotoc.lon_entry); | ||
553 | harbaum | 214 | |
554 | goto_update(context); | ||
555 | } | ||
556 | |||
557 | harbaum | 246 | #ifdef ESPEAK |
558 | static void espeak_clicked(GtkWidget *widget, gpointer data) { | ||
559 | harbaum | 249 | cache_context_t *context = (cache_context_t*)data; |
560 | harbaum | 246 | |
561 | GtkWidget *icon = gtk_button_get_image(GTK_BUTTON(widget)); | ||
562 | gtk_widget_destroy(icon); | ||
563 | harbaum | 249 | context->appdata->espeak.enabled = !context->appdata->espeak.enabled; |
564 | harbaum | 246 | gtk_button_set_image(GTK_BUTTON(widget), icon_get_widget(ICON_MISC, |
565 | harbaum | 249 | context->appdata->espeak.enabled?6:7)); |
566 | |||
567 | espeak_enable(context, context->appdata->espeak.enabled); | ||
568 | harbaum | 246 | } |
569 | #endif | ||
570 | |||
571 | harbaum | 282 | /* create "goto" tab */ |
572 | harbaum | 1 | GtkWidget *goto_cache(cache_context_t *context) { |
573 | int i; | ||
574 | |||
575 | /* clear list used for averaging */ | ||
576 | for(i=0;i<MAX_AVERAGE;i++) | ||
577 | context->gotoc.head_avg[i] = NAN; | ||
578 | |||
579 | context->gotoc.pos = gpx_cache_pos(context->cache); | ||
580 | |||
581 | harbaum | 229 | GtkWidget *hbox = gtk_hbox_new(FALSE, 32); |
582 | harbaum | 1 | |
583 | context->gotoc.compass_area = gtk_drawing_area_new(); | ||
584 | gtk_drawing_area_size(GTK_DRAWING_AREA(context->gotoc.compass_area), | ||
585 | COMPASS_SIZE, COMPASS_SIZE); | ||
586 | |||
587 | gtk_signal_connect(GTK_OBJECT(context->gotoc.compass_area), "expose_event", | ||
588 | (GtkSignalFunc)compass_expose_event, context); | ||
589 | gtk_signal_connect(GTK_OBJECT(context->gotoc.compass_area),"configure_event", | ||
590 | (GtkSignalFunc)compass_configure_event, context); | ||
591 | gtk_signal_connect(GTK_OBJECT(context->gotoc.compass_area), | ||
592 | "button_press_event", | ||
593 | (GtkSignalFunc)compass_clicked_event, context); | ||
594 | |||
595 | gtk_widget_set_events(context->gotoc.compass_area, GDK_EXPOSURE_MASK); | ||
596 | gtk_widget_add_events(context->gotoc.compass_area, GDK_BUTTON_PRESS_MASK); | ||
597 | gtk_box_pack_start_defaults(GTK_BOX(hbox), context->gotoc.compass_area); | ||
598 | |||
599 | GtkWidget *vbox = gtk_vbox_new(FALSE, 0); | ||
600 | harbaum | 214 | GtkWidget *table = gtk_table_new(5, 3, FALSE); |
601 | harbaum | 1 | |
602 | harbaum | 214 | /* ---------- destination coordinates ------- */ |
603 | harbaum | 1 | |
604 | harbaum | 214 | /* SIZE_SMALL doesn't work here as setting the label returns to normal */ |
605 | gtk_table_attach_defaults(GTK_TABLE(table), left_label_new(_("Latitude:")), 0,1,0,1); | ||
606 | context->gotoc.lat_entry = lat_entry_new(context->gotoc.pos.lat); | ||
607 | gtk_table_attach_defaults(GTK_TABLE(table), context->gotoc.lat_entry, 1,2,0,1); | ||
608 | gtk_table_attach_defaults(GTK_TABLE(table), left_label_new(_("Longitude:")), 0,1,1,2); | ||
609 | context->gotoc.lon_entry = lon_entry_new(context->gotoc.pos.lon); | ||
610 | gtk_table_attach_defaults(GTK_TABLE(table), context->gotoc.lon_entry, 1,2,1,2); | ||
611 | harbaum | 1 | |
612 | harbaum | 214 | g_signal_connect(G_OBJECT(context->gotoc.lat_entry), "changed", |
613 | G_CALLBACK(pos_modified), context); | ||
614 | g_signal_connect(G_OBJECT(context->gotoc.lon_entry), "changed", | ||
615 | G_CALLBACK(pos_modified), context); | ||
616 | harbaum | 1 | |
617 | harbaum | 231 | gtk_table_attach_defaults(GTK_TABLE(table), preset_coordinate_picker(context->appdata, |
618 | context->gotoc.lat_entry, context->gotoc.lon_entry), 2,3,0,1); | ||
619 | harbaum | 1 | |
620 | harbaum | 231 | gtk_table_attach_defaults(GTK_TABLE(table), goto_coordinate(context->appdata, |
621 | context->gotoc.lat_entry, context->gotoc.lon_entry), 2,3,1,2); | ||
622 | |||
623 | harbaum | 214 | gtk_table_set_row_spacing(GTK_TABLE(table), 1, 16); |
624 | gtk_table_set_col_spacing(GTK_TABLE(table), 0, 16); | ||
625 | harbaum | 1 | |
626 | /* -------------- distance label ------------------------- */ | ||
627 | harbaum | 214 | gtk_table_attach_defaults(GTK_TABLE(table), left_label_new(_("Distance:")), 0,1,2,3); |
628 | harbaum | 1 | gtk_table_attach_defaults(GTK_TABLE(table), |
629 | harbaum | 233 | (context->gotoc.distance_label = gtk_label_new("-----")), 1,2,2,3); |
630 | harbaum | 1 | |
631 | /* -------------- bearing label ------------------------- */ | ||
632 | harbaum | 214 | gtk_table_attach_defaults(GTK_TABLE(table), left_label_new(_("Bearing:")), 0,1,3,4); |
633 | harbaum | 1 | gtk_table_attach_defaults(GTK_TABLE(table), |
634 | harbaum | 233 | (context->gotoc.bearing_label = gtk_label_new("-----")), 1,2,3,4); |
635 | harbaum | 1 | |
636 | /* -------------- error label ------------------------- */ | ||
637 | harbaum | 214 | gtk_table_attach_defaults(GTK_TABLE(table), left_label_new(_("Est. error:")), 0,1,4,5); |
638 | harbaum | 1 | gtk_table_attach_defaults(GTK_TABLE(table), |
639 | harbaum | 233 | (context->gotoc.eph_label = gtk_label_new("-----")), 1,2,4,5); |
640 | harbaum | 1 | |
641 | harbaum | 214 | gtk_table_set_row_spacing(GTK_TABLE(table), 4, 16); |
642 | harbaum | 1 | |
643 | /* -------------- sat view box ------------------------- */ | ||
644 | GtkWidget *ihbox = gtk_hbox_new(FALSE,0); | ||
645 | |||
646 | context->gotoc.sat_area = gtk_drawing_area_new(); | ||
647 | gtk_drawing_area_size(GTK_DRAWING_AREA(context->gotoc.sat_area), | ||
648 | SAT_WIDTH, SAT_HEIGHT); | ||
649 | |||
650 | gtk_signal_connect(GTK_OBJECT(context->gotoc.sat_area), "expose_event", | ||
651 | (GtkSignalFunc)sat_expose_event, context); | ||
652 | gtk_signal_connect(GTK_OBJECT(context->gotoc.sat_area),"configure_event", | ||
653 | (GtkSignalFunc)sat_configure_event, context); | ||
654 | |||
655 | gtk_widget_set_events(context->gotoc.sat_area, GDK_EXPOSURE_MASK); | ||
656 | |||
657 | gtk_box_pack_start(GTK_BOX(ihbox), context->gotoc.sat_area, 1,0,0); | ||
658 | |||
659 | harbaum | 246 | #ifdef ESPEAK |
660 | GtkWidget *ivbox = gtk_vbox_new(FALSE, 0); | ||
661 | GtkWidget *button = button_new(); | ||
662 | gtk_button_set_image(GTK_BUTTON(button), icon_get_widget(ICON_MISC, | ||
663 | context->appdata->espeak.enabled?6:7)); | ||
664 | gtk_signal_connect (GTK_OBJECT(button), "clicked", | ||
665 | harbaum | 249 | GTK_SIGNAL_FUNC(espeak_clicked), context); |
666 | harbaum | 246 | if(context->appdata->espeak.sample_rate < 0) |
667 | gtk_widget_set_sensitive(button, FALSE); | ||
668 | harbaum | 249 | else |
669 | if(context->appdata->espeak.enabled) | ||
670 | espeak_enable(context, TRUE); | ||
671 | harbaum | 246 | |
672 | gtk_box_pack_start(GTK_BOX(ivbox), button, 1,0,0); | ||
673 | gtk_box_pack_start(GTK_BOX(ihbox), ivbox, 1,0,0); | ||
674 | #endif | ||
675 | |||
676 | harbaum | 214 | gtk_table_attach_defaults(GTK_TABLE(table), ihbox, 0,3,5,6); |
677 | harbaum | 1 | |
678 | /* ------------------------------------------------------- */ | ||
679 | |||
680 | harbaum | 229 | gtk_box_pack_start(GTK_BOX(vbox), table, TRUE, FALSE, 0); |
681 | gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0); | ||
682 | harbaum | 1 | |
683 | harbaum | 214 | context->gotoc.handler_id = |
684 | gtk_timeout_add(UPDATE_MS, goto_update, context); | ||
685 | harbaum | 1 | |
686 | return hbox; | ||
687 | } | ||
688 | |||
689 | void goto_coordinate_update(cache_context_t *context) { | ||
690 | harbaum | 214 | static pos_t pos = { 0.0, 0.0 }; |
691 | |||
692 | harbaum | 1 | if(!context->notes.modified) |
693 | return; | ||
694 | harbaum | 214 | |
695 | pos_t npos = notes_get_pos(context); | ||
696 | if(pos_differ(&npos, &pos)) { | ||
697 | pos = npos; | ||
698 | |||
699 | harbaum | 221 | lat_entry_set(context->gotoc.lat_entry, npos.lat); |
700 | lon_entry_set(context->gotoc.lon_entry, npos.lon); | ||
701 | harbaum | 214 | } |
702 | harbaum | 1 | } |